Table 5 PESQ values for the W β-SA estimator with different schemes of parameter β, case of babble noise

Input noisy speech

1.31

1.56

1.83

2.14

2.43

Choice of β = 1.82

1.49

1.73

2.04

2.42

2.73

Choice of β by (11)

1.55

1.88

2.18

2.46

2.76

Choice of β by (12)

1.55

1.88

2.17

2.47

2.79

Proposed choice of β

1.58

1.91

2.23

2.51

2.82